<template>
<div class="comment">
    <div class="addcomment" v-show='!isFocus'>
        <input type="text" placeholder="写跟帖" @focus="handlerFocus" />
        <span class="comment">
            <i class="iconfont iconpinglun-"></i>
            <em>{{obj.comment_length}}</em> 
        </span>
        <van-icon :color="obj.has_star?'orange':'black'" :name="obj.has_star?'star':'star-o'" @click="collectionsFn"/>
        <i class="iconfont iconfenxiang"></i>
    </div>
    <div class="inputcomment" v-show='isFocus'>
        <textarea  ref='commtext' rows="5" v-model="content"></textarea>
        <div>
            <span @click="sendFn">发 送</span>
            <br>
            <span @click="isFocus=false">取 消</span>
        </div>
    </div>
</div>
</template>


<script>
import {send_comment,collections} from '@/api/new.js'
export default {
    props:{
        obj:{
            type:Object,
            require:true
        }
    },
    data(){
        return {
            isFocus: false,
            content:'',
            parent_id:null,
        }
    },
    methods: {
        collectionsFn(){
            this.obj.has_star=!this.obj.has_star
            collections(this.obj.id).then(res=>{
                if(res.data.message==='收藏成功'){
                }
            })
        },
        handlerFocus(){
            this.isFocus=!this.isFocus
            this.$nextTick(()=>{
                this.$refs.commtext.focus()
            })
        },
        async sendFn(){
            if(!this.content){
                return this.$toast.fail('评论内容不能为空！')
            }
            let query={ content:this.content}

            if(this.parent_id){
                query.parent_id=this.parent_id
            }
            send_comment(this.$route.query.id,query).then(res=>{

                if(res.data.message=='评论发布成功'){
                    this.$toast.success(res.data.message)
                    this.$emit('refresh-page')
                    this.isFocus=!this.isFocus
                    this.content=''
                    this.parent_id=null
                }
            })
        }
    }
}
</script>


<style lang="less" scoped>
.comment{
    position: fixed;
    width: 100%;
    bottom: 0;
}
.inputcomment{
    padding: 10px;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    background-color: #fff;
    align-items: flex-end;
    textarea{
        flex: 3;
        background-color: #eee;
        border:none;
        border-radius: 10px;
        padding: 10px;
    }
    div{
        padding: 20px;
    }
    span {
        display: block;
        flex: 1;
        height: 24px;
        line-height: 24px;
        padding: 0 10px;
        background-color: #f00;
        color:#fff;
        text-align: center;
        border-radius: 6px;
        font-size: 13px;
    }
}
.addcomment {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  margin-top: 20px;
  display: flex;
  text-align: center;
  position: absolute;
  background: #fff;
  bottom: 0;
  left: 0;
  > input {
    flex: 4;
    height: 30px;
    line-height: 30px;
    border-radius: 15px;
    border: none;
    background-color: #eee;
    padding-left: 20px;
    font-size: 14px;
  }
  i {
    font-size: 20px;
  }
  > span {
    flex: 1;
    position: relative;
    > em {
      position: absolute;
      right: 0;
      top: -5px;
      font-size: 10px;
      background-color: #f00;
      color: #fff;
      border-radius: 5px;
      padding: 3px 5px;
    }
  }
  > i {
    flex: 1;
  }
}
</style>